📚 Pennsylvania Month-by-Month Gardening: What to Do Each Month to Have A Beautiful Garden All Year
📚 The Timber Press Guide to Vegetable Gardening in the Northeast
Temperature climatic data from weather station: PITTSBURGH INTL AP (USW00094823)
Precipitation climatic data from weather station: PITTSBURGH INTL AP (USW00094823)
Agricultural climatic data from weather station: PITTSBURGH INTL AP (USW00094823)